They have stated as much in the documentation. See various speeds and feeds depending on instance size and type, and whether inside or outside the VPC at e.g.

They have stated as much in the documentation. See various speeds and feeds depending on instance size and type, and whether inside or outside the VPC at e.g. here: https://d1.awsstatic.com/events/reinvent/2019/REPEAT_2_Deep-dive_into_100G_networking_&_Elastic_Fabric_Adapter_on_Amazon_EC2_CMP334-R2.pdf https://d1.awsstatic.com/events/reinvent/2019/REPEAT_2_Deep-...